Data.Set
data Set a
(\\)
null
size
member
notMember
lookupLT
lookupGT
lookupLE
lookupGE
isSubsetOf
isProperSubsetOf
empty
singleton
insert
delete
union
unions
difference
intersection
filter
partition
split
splitMember
map
mapMonotonic
foldr
foldl
foldr'
foldl'
fold
findMin
findMax
deleteMin
deleteMax
deleteFindMin
deleteFindMax
maxView
minView
elems
toList
fromList
toAscList
toDescList
fromAscList
fromDistinctAscList
showTree
showTreeWith
valid